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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user6350
May it be that the new upgrade of version 1v51 introduced some bugs: with respect SPI and I2C programming ?
This works fine : Added Number.toFixed test056)
but this seems to haveSPI or I2C communications no longer working at leads on STm32F4Discovery.
Now use jshardware's SPI for SD filesystems - more multi platform.
Looking with a scope non signal is sent over the MOSI line, even clocks ar properly generated over the SCK line.
All serials are working fine.